Swagelok NI-4-VCR-2, VCR 4, 1/4 in, Silver Plated Nickel, Nonretained Gasket This Swagelok® VCR® Nonretained Gasket is made of Silver-Plated Nickel. Swagelok Part Number: NI-4-VCR-2. These VCR (Vacuum Coupling Radiation) fittings and components are precision manufactured and offer a leak-tight, metal on metal seal. They can be used for any fluid flow application and provide leak-tight service from vacuum to positive pressure. Polished surface finish and high purity materials virtually eliminate these fittings as a source of system contamination. The VCR fitting design has been tested to maximum leak rate of 4x10-9 std cm3/s with silver-plated-copper gaskets, and to a maximum leak rate of 4x10-11 std cm3/s with unplated (Ni, Cu or 316L SS) gaskets.Specifications and Dimensions:Silver Plated Nickel VCR Size: 4 Inch Size: 1/4 E: 0.22 in (5.6 mm) Tx: 0.47 in (11.9 mm) Swagelok, VCR-TM Swagelok Company

Swagelok NI-8-VCR-2, VCR 8, 1/2 in, Silver Plated Nickel, Nonretained Gasket This Swagelok® VCR® Nonretained Gasket is made of Silver Plated Nickel. Swagelok Part Number: NI-8-VCR-2. These VCR (Vacuum Coupling Radiation) fittings and components are precision manufactured and offer a leak-tight, metal on metal seal. They can be used for any fluid flow application and provide leak-tight service from vacuum to positive pressure. Polished surface finish and high purity materials virtually eliminate these fittings as a source of system contamination. The VCR fitting design has been tested to maximum leak rate of 4x10-9 std cm3/s with silver-plated-copper gaskets, and to a maximum leak rate of 4x10-11 std cm3/s with unplated (Ni, Cu or 316L SS) gaskets.Specifications and Dimensions:Silver Plated Nickel VCR Size: 8 Inch Size: 1/2 E: 0.44 in (11.2 mm) Tx: 0.78 in (19.8 mm) Swagelok, VCR-TM Swagelok Company